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<p>[QUOTE=&quot;rlm&#039;s cents, post: 1609309, member: 7957&quot;]According to Lange, all Lincolns prior to 1943 also contained tin. Although the exact percentage is not specified, I believe I have typically seen 1%.&nbsp; So that would be 95 copper, 4 zinc and 1 tin.&nbsp; i.e., the zinc is nearly double the specified quantity.&nbsp; Lincolns 1944 to 1946 contained no tin, but were to contain 5% zinc.&nbsp; From either if those specifications, 7.5% zinc seems a bit large to be considered &quot;normal&quot;.</p><p><br /></p><p>Another complication is that there were numerous experimental cent struck in 1942 trying to find a substitute for the copper - both metallic and plastic..&nbsp; Who know if this was not merely a test piece?[/QUOTE]</p><p><br /></p>

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